Species Thiocapsa pfennigii

Name: Thiocapsa pfennigii Eimhjellen 1970 (Approved Lists 1980)

Category, proposed as: species, sp. nov.

Etymology: pfen.ni’gi.i. N.L. gen. masc. n. pfennigii, of Pfennig, named after N. Pfennig, a German microbiologist

Pronunciation (Latin), gender: t^hi-o-KAP-sa pfen-NI-gi-i, feminine

Type strain: 4250; 8013; DSM 1375; DSM 226; Nidelven; NTHC, Nidelven

16S rRNA gene: Y12373 Analyse FASTA

Effective publication: Eimhjellen KE. Thiocapsa pfennigii sp. nov. a new species of the phototrophic sulfur bacteria. Arch Mikrobiol 1970; 73:193-194.

IJSEM list: Skerman VBD, McGowan V, Sneath PHA. Approved lists of bacterial names. Int J Syst Bacteriol 1980; 30:225-420.

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym

Correct name: Thiococcus pfennigii (Eimhjellen 1970) Imhoff et al. 1998

Risk group: 1

• Synonyms:

  • Name	Kind
    Thiococcus pfennigii (Eimhjellen 1970) Imhoff et al. 1998	homotypic synonym, validly published under the ICNP

• Notes:
  • ❗ Thiocapsa pfennigii is the correct name instead if this species is regarded as a separate species (i.e., if its nomenclatural type is not assigned to another species whose name is validly published, legitimate and not rejected and has priority) within a separate genus Thiocapsa.
  • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No". — The risk group for Swiss Confederation has been imported on 2024-02-01. The full classification is: risk group = 1. — The risk group for Germany has been imported on 2026-08-13. The full classification is: risk group = 1. — If in doubt, use the risk group given in the regulations for your country and, if these are not available, use the risk group given in the catalogue of the culture collection from which you have obtained or intend to obtain the strain.
  • 🎓 Name mentioned 16 times in PubMed until 2026-06-11.
  • 🧍 According to Imhoff et al. 1998, the correct type strain is DSM 226. Publication: Imhoff JF, Suling J, Petri R. Phylogenetic relationships among the Chromatiaceae, their taxonomic reclassification and description of the new genera Allochromatium, Halochromatium, Isochromatium, Marichromatium, Thiococcus, Thiohalocapsa and Thermochromatium. Int J Syst Bacteriol 1998; 48:1129-1143. 🇩🇪
  • 🧍 In the Approved Lists, the type strain is cited as DSM 1375. However, the strain DSM 1375 is not - and has never - available from the DSMZ (as of 1998). — Kracht M. Personal communication, unspecified date.
  • 🧍 See also: Publication: Trueper HG, Imhoff JF. ICSB, SUBCOMMITTEE ON THE TAXONOMY OF THE PHOTOTROPHIC BACTERIA: Minutes of the meetings, 10 September 1997, Vienna, Austria. Int. J. Syst. Bacteriol. 1999; 49:925-926. 🇩🇪

Parent taxon: Thiocapsa Winogradsky 1888 (Approved Lists 1980)

Assigned by: Eimhjellen KE. Thiocapsa pfennigii sp. nov. a new species of the phototrophic sulfur bacteria. Arch Mikrobiol 1970; 73:193-194.

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Record number: 782729